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- Soft switching full bridge converter has been proposed to meet these goals by establishing zero voltage switching condition across the power transistors. 为了此一目的,全桥软切换转换器因应而生,此种技巧可利用开关元件的零电压切换,来有效的降低切换损失。
- In this thesis, a full bridge converter with limited soft switching capability and a coaxially-wound transformer are presented to improve the power density. 在本论文中将采用一低漏感之变压器,并架设于全桥半软切的电路上,来增加系统的功率密度。
- auxiliary circuit / full bridge converter 辅助电路/全桥变换器
- A High Frequency Driving Circuit of IGBT for Full Bridge Converter 一种适用于桥式变换器的IGBT高频驱动电路
- However, besides those existing in common full bridge converters, there are new factgors because of the special control model and the required power factor correction functioned. 但由于电路特殊的控制方式和所要实现的功率因数校正功能,该校正电路中的功率变压器除存在普通全桥变换器产生偏磁的原因外,还存在产生偏磁的特殊因素。
- full bridge converter 全桥变换器
- and that the small signal model for the phase-shifting full bridge converter taking the duty cycle loss into consideration is valid;and that the control circuit based on the model is resultful. 本文所得出的移相全桥电路在考虑占空比丢失时的小信号模型是有效的,由此模型在电感负载条件下设计出的控制电路取得了较好的控制效果。
- this full bridge converter utilizes the transformer leakage inductance and the autoecious capacitance of IGBT to achieve ZVS, as a result it decrease the switching waste and diminish the power bulk. 控制电路采用全桥软开关移相控制,这种全桥变换器利用变压器的漏感、原边串联谐振电感和功率管的寄生电容来实现开关管的零电压开通,降低了开关损耗,减小了电源体积,得到设备所需要的高频高压脉冲。
- Effects of Parasitic Parameters on Conducted Interference in Full Bridge Converters 全桥变换器中寄生参数对传导干扰的影响
- So that, based on the traditional PWM control mode, the turn-offof the two power components in the full bridge PWM converter aredelayed, consequently, zero-current-switching (ZCS) is realized. 因此,本文在传统PWM控制方式的基础上,使其中两只功率管的关断适当延时,从而使这两只功率管实现零电流开关(ZCS)。
- Output voltage and current is often distorted in half bridge converter because voltage unbalance of input capacitors though its application is very abroad. 摘要半桥逆变器应用广泛,但存在直流分压电容不均压,使分压电容中点电压漂移,导致输出电压和电流畸变的缺点。
- Using phase-shift ZVS full bridge and voltage closed loop control,DC/DC converter converts output voltage of AMTEC which fluctuates in a wide range to a steady voltage. DC/DC变换器采用移相ZVS(零电压开关)PWM全桥变换和电压闭环控制,把AMTEC在较宽范围变动的输出电压变成稳定的直流电压。
- Full Bridge ZVS PWM Capacitor Charging Converter 电容器充电变换器
- A full bridge power driver is developed,which is an application specific integrated circuit(ASIC). 介绍了一种全桥式功率驱动器的电路设计。
- Chen Airong.Research on wind tunnel testing of Sutong bridge aeroelastic model of full bridge [R]. 陈艾荣.;苏通大桥全桥气弹模型风洞试验研究[R]
- phase-shift full bridge PWM converter 移相全桥PWM变换器
- Finally, a full bridge FFL driver with dimming is made, the driver let FFL has a uniform luminance source and dimming range reach range 100% to 10%. 最后本论文研制全桥平面萤光灯驱动调光电路,使平面萤光灯得均匀面光源,且调光范围可由100%25至10%25。
- SPWM output voltage is obtained through adopting phase-shifted full bridge,using integrate chip ML4818 and demodulating the secondary cycloconverter. 该方式采用移相全桥拓扑,利用集成控制芯片ML4818的功能,以及对次级循环换流器的解调制,得到输出SPWM电压波形。
- For IGBT module in full bridge inverter circuit, the drive circuit by discrete semiconductor devices and experiments' results are given. 最后给出了针对全桥逆变电路IGBT模块设计的分立元件驱动电路及实验结果。
- two transformer bridge converter 双变压器桥式变换器